I am unable to connect/align the vacuum tubes in the socket of the P3.

Remove the copper rings for easier tube installation.

How to reset P3 Bluetooth？

Resetting the P3's Bluetooth with the RST hole in the back.

P3 power supply compatibility

P3 is compatible with DC 12V/1.5A~3A power supply.

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Fosi Audio P3 Tube Preamp Headphone Amplifier Home Audio Preamplifier Mini Vacuum Pre Amp Receiver with Bluetooth aptX LL HD Bass Treble Tone Controls for HiFi Stereo Active Speakers with RCA AUX Jack

Product ID: 576801869

Details

Item dimensions L x W x H
4.33 x 6.3 x
Manufacturer
Shenzhen Co.
Maximum Supply Voltage
12
Minimum Supply Voltage
12
Voltage
230 volts

📶Bluetooth 5.1 aptX HD/LL

🔊250mW max output power

🎚️Bass & Treble tone controls

¥30446

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎧 Elevate your sound game with vintage warmth and modern wireless freedom!

USER FRIENDLY DESIGN - Easy tube installation, manual Bluetooth reset, and wide headphone impedance support (16-300Ω).
VERSATILE CONNECTIVITY - Supports RCA, AUX, and 3.5mm outputs for headphones, active speakers, and subwoofers.
SEAMLESS WIRELESS AUDIO - Bluetooth 5.1 with aptX HD & LL codecs ensures crystal-clear, low-latency streaming.
WARM TUBE AMPLIFICATION - Experience rich, natural sound with 54V tube voltage for full tonal depth.
AUDIOPHILE GRADE COMPONENTS - Built with ELNA capacitors and precision tone controls for pristine HiFi performance.

The Fosi Audio P3 Tube Preamp Headphone Amplifier blends classic vacuum tube warmth with cutting-edge Bluetooth 5.1 aptX HD/LL wireless technology. Delivering up to 250mW output power and equipped with audiophile-grade ELNA capacitors, it offers versatile connectivity options including RCA, AUX, and 3.5mm headphone outputs. Designed for professionals and enthusiasts alike, it supports headphones from 16Ω to 300Ω impedance and features precise bass and treble tone controls, making it a perfect centerpiece for any HiFi stereo setup.

Specifications

ASIN	B0CJBKWF43
Best Sellers Rank	#37,633 in Electronics ( See Top 100 in Electronics ) #25 in Audio Component Preamplifiers
Brand Name	Fosi Audio
Customer Reviews	4.5 4.5 out of 5 stars (546)
Included Components	12V/1.5A Power Supply x1, Fosi Audio P3 Preamplifier x1, Remote Control x1, User Manual x1
Item Dimensions	4.33 x 6.3 x 1.57 inches
Item Weight	500 g
Manufacturer	Shenzhen Foresight Technology Co., Ltd.
Maximum Output Power	250mw
Maximum Supply Voltage	12 volts_of_direct_current
Minimum Supply Voltage	12 volts_of_direct_current
Model	P3
Number of Channels	2
Number of Items	1
Part Number	P3
Unit Count	1 Count
Voltage	230 volts
Warranty Description	24 Month Manufacturer

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¥30446

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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